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PERLWIN32(1) Perl Programmers Reference Guide PERLWIN32(1)
NAME
perlwin32 - Perl under Windows
SYNOPSIS
These are instructions for building Perl under Windows 7 and later.
DESCRIPTION
Before you start, you should glance through the README file found in
the top-level directory to which the Perl distribution was extracted.
Make sure you read and understand the terms under which this software
is being distributed.
Also make sure you read "BUGS AND CAVEATS" below for the known
limitations of this port.
The INSTALL file in the perl top-level has much information that is
only relevant to people building Perl on Unix-like systems. In
particular, you can safely ignore any information that talks about
"Configure".
You may also want to look at one other option for building a perl that
will work on Windows: the README.cygwin file, which give a different
set of rules to build a perl for Windows. This method will probably
enable you to build a more Unix-compatible perl, but you will also need
to download and use various other build-time and run-time support
software described in that file.
This set of instructions is meant to describe a so-called "native" port
of Perl to the Windows platform. This includes both 32-bit and 64-bit
Windows operating systems. The resulting Perl requires no additional
software to run (other than what came with your operating system).
Currently, this port is capable of using one of the following compilers
on the Intel x86 and x86_64 architectures:
Microsoft Visual C++ version 12.0 or later
Intel C++ Compiler (experimental)
Gcc by mingw.org gcc version 3.4.5-5.3.0
Gcc by mingw-w64.org gcc version 4.4.3 or later
Note that the last two of these are actually competing projects both
delivering complete gcc toolchain for MS Windows:
<https://osdn.net/projects/mingw/>
Delivers gcc toolchain building 32-bit executables (which can be
used both 32 and 64 bit Windows platforms)
<http://mingw-w64.org>
Delivers gcc toolchain targeting both 64-bit Windows and 32-bit
Windows platforms (despite the project name "mingw-w64" they are
not only 64-bit oriented). They deliver the native gcc compilers
and cross-compilers that are also supported by perl's makefile.
The Microsoft Visual C++ compilers are also now being given away free.
They are available as "Visual C++ 2013-2022 Community Edition" and are
the same compilers that ship with "Visual C++ 2013-2022 Professional".
The MinGW64 compiler is available at <http://mingw-w64.org>. The
latter is actually a cross-compiler targeting Win64. There's also a
trimmed down compiler (no java, or gfortran) suitable for building perl
available at: <http://strawberryperl.com/package/kmx/64_gcctoolchain/>
NOTE: If you're using a 32-bit compiler to build perl on a 64-bit
Windows operating system, then you should set the WIN64 environment
variable to "undef". Also, the trimmed down compiler only passes tests
when USE_ITHREADS *= define (as opposed to undef) and when the CFG *=
Debug line is commented out.
This port fully supports MakeMaker (the set of modules that is used to
build extensions to perl). Therefore, you should be able to build and
install most extensions found in the CPAN sites. See "Usage Hints for
Perl on Windows" below for general hints about this.
Setting Up Perl on Windows
Make
You need a "make" program to build the sources. If you are using
Visual C++, you can use nmake supplied with Visual C++. You may
also use gmake instead of nmake. Builds using gcc need gmake.
nmake is not supported for gcc builds. Parallel building is only
supported with gmake, not nmake.
Command Shell
Use the default "cmd" shell that comes with Windows. Some versions
of the popular 4DOS/NT shell have incompatibilities that may cause
you trouble. If the build fails under that shell, try building
again with the cmd shell.
Make sure the path to the build directory does not contain spaces.
The build usually works in this circumstance, but some tests will
fail.
Microsoft Visual C++
The nmake that comes with Visual C++ will suffice for building.
Visual C++ requires that certain things be set up in the console
before Visual C++ will successfully run. To make a console box be
able to run the C compiler, you will need to beforehand, run
"vcvarsall.bat x86" to compile for x86-32 and for x86-64
"vcvarsall.bat amd64". On a typical install of a Microsoft C++
compiler product, these batch files will already be in your "PATH"
environment variable so you may just type them without an absolute
path into your console. If you need to find the absolute path to
the batch file, it is usually found somewhere like C:\Program Files
(x86)\Microsoft Visual Studio 14.0\VC. With some newer Microsoft C
products (released after ~2004), the installer will put a shortcut
in the start menu to launch a new console window with the console
already set up for your target architecture (x86-32 or x86-64 or
IA64). With the newer compilers, you may also use the older batch
files if you choose so.
Microsoft Visual C++ 2013-2022 Community Edition
These free versions of Visual C++ 2013-2022 Professional contain
the same compilers and linkers that ship with the full versions,
and also contain everything necessary to build Perl.
These packages can be downloaded by searching in the Download
Center at
C:\Program Files\Microsoft Visual Studio 12.0\Common7\Tools\vsvars32.bat
(assuming the default installation location was chosen).
Perl should now build using the win32/Makefile. You will need to
edit that file to set CCTYPE to one of MSVC120-MSVC142 first.
GCC Perl can be compiled with gcc from MinGW (version 3.4.5 or later)
or from MinGW64 (version 4.4.3 or later). It can be downloaded
here:
<https://osdn.net/projects/mingw/> <http://www.mingw-w64.org/>
You also need gmake. Usually it comes with MinGW but its executable
may have a different name, such as mingw32-make.exe.
Note that the MinGW build currently fails with version 6.3.0 or
later.
Note also that the C++ mode build currently fails with MinGW 3.4.5
and 4.7.2 or later, and with MinGW64 64-bit 6.3.0 or later.
Intel C++ Compiler
Experimental support for using Intel C++ Compiler has been added.
Edit win32/Makefile and pick the correct CCTYPE for the Visual C
that Intel C was installed into. Also uncomment __ICC to enable
Intel C on Visual C support. To set up the build environment, from
the Start Menu run IA-32 Visual Studio 20__ mode or Intel 64 Visual
Studio 20__ mode as appropriate. Then run nmake as usually in that
prompt box.
Only Intel C++ Compiler v12.1 has been tested. Other versions
probably will work. Using Intel C++ Compiler instead of Visual C
has the benefit of C99 compatibility which is needed by some CPAN
XS modules, while maintaining compatibility with Visual C object
code and Visual C debugging infrastructure unlike GCC.
Building
o Make sure you are in the "win32" subdirectory under the perl
toplevel. This directory contains a "Makefile" that will work with
versions of nmake that come with Visual C++, and a GNU make
"GNUmakefile" that will work for all supported compilers. The
defaults in the gmake makefile are setup to build using MinGW/gcc.
o Edit the GNUmakefile (or Makefile, if you're using nmake) and
change the values of INST_DRV and INST_TOP. You can also enable
various build flags. These are explained in the makefiles.
Note that it is generally not a good idea to try to build a perl
with INST_DRV and INST_TOP set to a path that already exists from a
previous build. In particular, this may cause problems with the
lib/ExtUtils/t/Embed.t test, which attempts to build a test program
and may end up building against the installed perl's lib/CORE
directory rather than the one being tested.
You will have to make sure that CCTYPE is set correctly and that
CCHOME points to wherever you installed your compiler. For GCC
this should be the directory that contains the bin, include and lib
directories.
The default value for CCHOME in the makefiles for Visual C++ may
not be correct for some versions. Make sure the default exists and
is valid.
If you want build some core extensions statically into perl's dll,
specify them in the STATIC_EXT macro.
Be sure to read the instructions near the top of the makefiles
carefully.
o Type "gmake" (or "nmake" if you are using that make).
This should build everything. Specifically, it will create
perl.exe, perl536.dll at the perl toplevel, and various other
extension dll's under the lib\auto directory. If the build fails
for any reason, make sure you have done the previous steps
correctly.
To try gmake's parallel mode, type "gmake -j2", where 2, is the
maximum number of parallel jobs you want to run. A number of things
in the build process will run in parallel, but there are
serialization points where you will see just 1 CPU maxed out. This
is normal.
If you are advanced enough with building C code, here is a
suggestion to speed up building perl, and the later "make test".
Try to keep your PATH environmental variable with the least number
of folders possible (remember to keep your C compiler's folders
there). "C:\WINDOWS\system32" or "C:\WINNT\system32" depending on
your OS version should be first folder in PATH, since "cmd.exe" is
the most commonly launched program during the build and later
testing.
Testing Perl on Windows
Type "gmake test" (or "nmake test"). This will run most of the tests
from the testsuite (many tests will be skipped).
There should be no test failures.
If you build with Visual C++ 2013 then three tests currently may fail
with Daylight Saving Time related problems: t/io/fs.t,
cpan/HTTP-Tiny/t/110_mirror.t and lib/File/Copy.t. The failures are
caused by bugs in the CRT in VC++ 2013 which are fixed in VC++2015 and
later, as explained by Microsoft here:
<https://connect.microsoft.com/VisualStudio/feedback/details/811534/utime-sometimes-fails-to-set-the-correct-file-times-in-visual-c-2013>.
In the meantime, if you need fixed "stat" and "utime" functions then
have a look at the CPAN distribution Win32::UTCFileTime.
If you build with Visual C++ 2015 or later then
ext/XS-APItest/t/locale.t may crash (after all its tests have passed).
This is due to a regression in the Universal CRT introduced in the
Windows 10 April 2018 Update, and will be fixed in the May 2019 Update,
as explained here:
<https://developercommunity.visualstudio.com/content/problem/519486/setlocalelc-numeric-iso-latin-16-fails-then-succee.html>.
If you build with certain versions (e.g. 4.8.1) of gcc from mingw then
ext/POSIX/t/time.t may fail test 17 due to a known bug in those gcc
builds: see <https://sourceforge.net/p/mingw/bugs/2152/>.
Furthermore, you should make sure that during "make test" you do not
have any GNU tool packages in your path: some toolkits like Unixutils
include some tools ("type" for instance) which override the Windows
ones and makes tests fail. Remove them from your path while testing to
avoid these errors.
To see the output of specific failing tests run the harness from the t
directory:
# assuming you're starting from the win32 directory
cd ..\win32
.\perl harness <list of tests>
Please report any other failures as described under "BUGS AND CAVEATS".
Installation of Perl on Windows
Type "gmake install" ("nmake install"). This will put the newly built
perl and the libraries under whatever "INST_TOP" points to in the
Makefile. It will also install the pod documentation under
"$INST_TOP\$INST_VER\lib\pod" and HTML versions of the same under
"$INST_TOP\$INST_VER\lib\pod\html".
To use the Perl you just installed you will need to add a new entry to
your PATH environment variable: "$INST_TOP\bin", e.g.
set PATH=c:\perl\bin;%PATH%
If you opted to uncomment "INST_VER" and "INST_ARCH" in the makefile
then the installation structure is a little more complicated and you
will need to add two new PATH components instead:
"$INST_TOP\$INST_VER\bin" and "$INST_TOP\$INST_VER\bin\$ARCHNAME", e.g.
set PATH=c:\perl\5.6.0\bin;c:\perl\5.6.0\bin\MSWin32-x86;%PATH%
Usage Hints for Perl on Windows
Environment Variables
The installation paths that you set during the build get compiled
into perl, so you don't have to do anything additional to start
using that perl (except add its location to your PATH variable).
If you put extensions in unusual places, you can set PERL5LIB to a
list of paths separated by semicolons where you want perl to look
for libraries. Look for descriptions of other environment
variables you can set in perlrun.
You can also control the shell that perl uses to run system() and
backtick commands via PERL5SHELL. See perlrun.
Perl does not depend on the registry, but it can look up certain
default values if you choose to put them there unless disabled at
build time with USE_NO_REGISTRY. On Perl process start Perl checks
if "HKEY_CURRENT_USER\Software\Perl" and
"HKEY_LOCAL_MACHINE\Software\Perl" exist. If the keys exists, they
will be checked for remainder of the Perl process's run life for
certain entries. Entries in "HKEY_CURRENT_USER\Software\Perl"
override entries in "HKEY_LOCAL_MACHINE\Software\Perl". One or
more of the following entries (of type REG_SZ or REG_EXPAND_SZ) may
be set in the keys:
PERL* fallback for all %ENV lookups that begin with "PERL"
Note the $] in the above is not literal. Substitute whatever
version of perl you want to honor that entry, e.g. 5.6.0. Paths
must be separated with semicolons, as usual on Windows.
File Globbing
By default, perl handles file globbing using the File::Glob
extension, which provides portable globbing.
If you want perl to use globbing that emulates the quirks of DOS
filename conventions, you might want to consider using
File::DosGlob to override the internal glob() implementation. See
File::DosGlob for details.
Using perl from the command line
If you are accustomed to using perl from various command-line
shells found in UNIX environments, you will be less than pleased
with what Windows offers by way of a command shell.
The crucial thing to understand about the Windows environment is
that the command line you type in is processed twice before Perl
sees it. First, your command shell (usually CMD.EXE) preprocesses
the command line, to handle redirection, environment variable
expansion, and location of the executable to run. Then, the perl
executable splits the remaining command line into individual
arguments, using the C runtime library upon which Perl was built.
It is particularly important to note that neither the shell nor the
C runtime do any wildcard expansions of command-line arguments (so
wildcards need not be quoted). Also, the quoting behaviours of the
shell and the C runtime are rudimentary at best (and may, if you
are using a non-standard shell, be inconsistent). The only
(useful) quote character is the double quote ("). It can be used
to protect spaces and other special characters in arguments.
The Windows documentation describes the shell parsing rules here:
<https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/cmd>
and the C runtime parsing rules here:
<https://msdn.microsoft.com/en-us/library/17w5ykft%28v=VS.100%29.aspx>.
Here are some further observations based on experiments: The C
runtime breaks arguments at spaces and passes them to programs in
argc/argv. Double quotes can be used to prevent arguments with
spaces in them from being split up. You can put a double quote in
an argument by escaping it with a backslash and enclosing the whole
argument within double quotes. The backslash and the pair of
double quotes surrounding the argument will be stripped by the C
runtime.
The file redirection characters "<", ">", and "|" can be quoted by
double quotes (although there are suggestions that this may not
always be true). Single quotes are not treated as quotes by the
shell or the C runtime, they don't get stripped by the shell (just
to make this type of quoting completely useless). The caret "^"
has also been observed to behave as a quoting character, but this
appears to be a shell feature, and the caret is not stripped from
the command line, so Perl still sees it (and the C runtime phase
does not treat the caret as a quote character).
This does the same:
perl -e "print \"\\\"\\\"\" "
This prints "bar" and writes "foo" to the file "blurch":
perl -e "print 'foo'; print STDERR 'bar'" > blurch
This prints "foo" ("bar" disappears into nowhereland):
perl -e "print 'foo'; print STDERR 'bar'" 2> nul
This prints "bar" and writes "foo" into the file "blurch":
perl -e "print 'foo'; print STDERR 'bar'" 1> blurch
This pipes "foo" to the "less" pager and prints "bar" on the
console:
perl -e "print 'foo'; print STDERR 'bar'" | less
This pipes "foo\nbar\n" to the less pager:
perl -le "print 'foo'; print STDERR 'bar'" 2>&1 | less
This pipes "foo" to the pager and writes "bar" in the file
"blurch":
perl -e "print 'foo'; print STDERR 'bar'" 2> blurch | less
Discovering the usefulness of the "command.com" shell on Windows 9x
is left as an exercise to the reader :)
One particularly pernicious problem with the 4NT command shell for
Windows is that it (nearly) always treats a % character as
indicating that environment variable expansion is needed. Under
this shell, it is therefore important to always double any %
characters which you want Perl to see (for example, for hash
variables), even when they are quoted.
Building Extensions
The Comprehensive Perl Archive Network (CPAN) offers a wealth of
extensions, some of which require a C compiler to build. Look in
<https://www.cpan.org/> for more information on CPAN.
Note that not all of the extensions available from CPAN may work in
the Windows environment; you should check the information at
<https://www.cpantesters.org/> before investing too much effort
into porting modules that don't readily build.
Most extensions (whether they require a C compiler or not) can be
built, tested and installed with the standard mantra:
perl Makefile.PL
$MAKE
$MAKE test
$MAKE install
where $MAKE is whatever 'make' program you have configured perl to
Note that MakeMaker actually emits makefiles with different syntax
depending on what 'make' it thinks you are using. Therefore, it is
important that one of the following values appears in Config.pm:
make='nmake' # MakeMaker emits nmake syntax
any other value # MakeMaker emits generic make syntax
(e.g GNU make, or Perl make)
If the value doesn't match the 'make' program you want to use, edit
Config.pm to fix it.
If a module implements XSUBs, you will need one of the supported C
compilers. You must make sure you have set up the environment for
the compiler for command-line compilation before running "perl
Makefile.PL" or any invocation of make.
If a module does not build for some reason, look carefully for why
it failed, and report problems to the module author. If it looks
like the extension building support is at fault, report that with
full details of how the build failed using the GitHub issue tracker
at <https://github.com/Perl/perl5/issues>.
Command-line Wildcard Expansion
The default command shells on DOS descendant operating systems
(such as they are) usually do not expand wildcard arguments
supplied to programs. They consider it the application's job to
handle that. This is commonly achieved by linking the application
(in our case, perl) with startup code that the C runtime libraries
usually provide. However, doing that results in incompatible perl
versions (since the behavior of the argv expansion code differs
depending on the compiler, and it is even buggy on some compilers).
Besides, it may be a source of frustration if you use such a perl
binary with an alternate shell that *does* expand wildcards.
Instead, the following solution works rather well. The nice things
about it are 1) you can start using it right away; 2) it is more
powerful, because it will do the right thing with a pattern like
*/*/*.c; 3) you can decide whether you do/don't want to use it; and
4) you can extend the method to add any customizations (or even
entirely different kinds of wildcard expansion).
C:\> copy con c:\perl\lib\Wild.pm
# Wild.pm - emulate shell @ARGV expansion on shells that don't
use File::DosGlob;
@ARGV = map {
my @g = File::DosGlob::glob($_) if /[*?]/;
@g ? @g : $_;
} @ARGV;
1;
^Z
C:\> set PERL5OPT=-MWild
C:\> perl -le "for (@ARGV) { print }" */*/perl*.c
p4view/perl/perl.c
p4view/perl/perlio.c
p4view/perl/perly.c
perl5.005/win32/perlglob.c
perl5.005/win32/perllib.c
perl5.005/win32/perlglob.c
perl5.005/win32/perllib.c
environment.
If you are using the Visual C compiler, you can get the C runtime's
command line wildcard expansion built into perl binary. The
resulting binary will always expand unquoted command lines, which
may not be what you want if you use a shell that does that for you.
The expansion done is also somewhat less powerful than the approach
suggested above.
Notes on 64-bit Windows
Windows .NET Server supports the LLP64 data model on the Intel
Itanium architecture.
The LLP64 data model is different from the LP64 data model that is
the norm on 64-bit Unix platforms. In the former, "int" and "long"
are both 32-bit data types, while pointers are 64 bits wide. In
addition, there is a separate 64-bit wide integral type, "__int64".
In contrast, the LP64 data model that is pervasive on Unix
platforms provides "int" as the 32-bit type, while both the "long"
type and pointers are of 64-bit precision. Note that both models
provide for 64-bits of addressability.
64-bit Windows running on Itanium is capable of running 32-bit x86
binaries transparently. This means that you could use a 32-bit
build of Perl on a 64-bit system. Given this, why would one want
to build a 64-bit build of Perl? Here are some reasons why you
would bother:
o A 64-bit native application will run much more efficiently on
Itanium hardware.
o There is no 2GB limit on process size.
o Perl automatically provides large file support when built under
64-bit Windows.
o Embedding Perl inside a 64-bit application.
Running Perl Scripts
Perl scripts on UNIX use the "#!" (a.k.a "shebang") line to indicate to
the OS that it should execute the file using perl. Windows has no
comparable means to indicate arbitrary files are executables.
Instead, all available methods to execute plain text files on Windows
rely on the file "extension". There are three methods to use this to
execute perl scripts:
1. There is a facility called "file extension associations". This
can be manipulated via the two commands "assoc" and "ftype"
that come standard with Windows. Type "ftype /?" for a
complete example of how to set this up for perl scripts (Say
what? You thought Windows wasn't perl-ready? :).
2. Since file associations don't work everywhere, and there are
reportedly bugs with file associations where it does work, the
old method of wrapping the perl script to make it look like a
regular batch file to the OS, may be used. The install process
makes available the "pl2bat.bat" script which can be used to
wrap perl scripts into batch files. For example:
"pl2bat" uses the "%*" variable in the generated batch file to
refer to all the command line arguments, so you may need to
make sure that construct works in batch files. As of this
writing, 4DOS/NT users will need a "ParameterChar = *"
statement in their 4NT.INI file or will need to execute "setdos
/p*" in the 4DOS/NT startup file to enable this to work.
3. Using "pl2bat" has a few problems: the file name gets changed,
so scripts that rely on $0 to find what they must do may not
run properly; running "pl2bat" replicates the contents of the
original script, and so this process can be maintenance
intensive if the originals get updated often. A different
approach that avoids both problems is possible.
A script called "runperl.bat" is available that can be copied
to any filename (along with the .bat suffix). For example, if
you call it "foo.bat", it will run the file "foo" when it is
executed. Since you can run batch files on Windows platforms
simply by typing the name (without the extension), this
effectively runs the file "foo", when you type either "foo" or
"foo.bat". With this method, "foo.bat" can even be in a
different location than the file "foo", as long as "foo" is
available somewhere on the PATH. If your scripts are on a
filesystem that allows symbolic links, you can even avoid
copying "runperl.bat".
Here's a diversion: copy "runperl.bat" to "runperl", and type
"runperl". Explain the observed behavior, or lack thereof. :)
Hint: .gnidnats llits er'uoy fi ,"lrepnur" eteled :tniH
Miscellaneous Things
A full set of HTML documentation is installed, so you should be able to
use it if you have a web browser installed on your system.
"perldoc" is also a useful tool for browsing information contained in
the documentation, especially in conjunction with a pager like "less"
(recent versions of which have Windows support). You may have to set
the PAGER environment variable to use a specific pager. "perldoc -f
foo" will print information about the perl operator "foo".
One common mistake when using this port with a GUI library like "Tk" is
assuming that Perl's normal behavior of opening a command-line window
will go away. This isn't the case. If you want to start a copy of
"perl" without opening a command-line window, use the "wperl"
executable built during the installation process. Usage is exactly the
same as normal "perl" on Windows, except that options like "-h" don't
work (since they need a command-line window to print to).
If you find bugs in perl, you can report them to
<https://github.com/Perl/perl5/issues>.
BUGS AND CAVEATS
Norton AntiVirus interferes with the build process, particularly if set
to "AutoProtect, All Files, when Opened". Unlike large applications the
perl build process opens and modifies a lot of files. Having the
AntiVirus scan each and every one slows build the process
significantly. Worse, with PERLIO=stdio the build process fails with
peculiar messages as the virus checker interacts badly with
miniperl.exe writing configure files (it seems to either catch file
issues.
A git GUI shell extension for Windows such as TortoiseGit will cause
the build and later "make test" to run much slower since every file is
checked for its git status as soon as it is created and/or modified.
TortoiseGit doesn't cause any test failures or build problems unlike
the antivirus software described above, but it does cause similar
slowness. It is suggested to use Task Manager to look for background
processes which use high CPU amounts during the building process.
Some of the built-in functions do not act exactly as documented in
perlfunc, and a few are not implemented at all. To avoid surprises,
particularly if you have had prior exposure to Perl in other operating
environments or if you intend to write code that will be portable to
other environments, see perlport for a reasonably definitive list of
these differences.
Not all extensions available from CPAN may build or work properly in
the Windows environment. See "Building Extensions".
Most "socket()" related calls are supported, but they may not behave as
on Unix platforms. See perlport for the full list.
Signal handling may not behave as on Unix platforms (where it doesn't
exactly "behave", either :). For instance, calling "die()" or "exit()"
from signal handlers will cause an exception, since most
implementations of "signal()" on Windows are severely crippled. Thus,
signals may work only for simple things like setting a flag variable in
the handler. Using signals under this port should currently be
considered unsupported.
Please report detailed descriptions of any problems and solutions that
you may find at <<https://github.com/Perl/perl5/issues>>, along with
the output produced by "perl -V".
ACKNOWLEDGEMENTS
The use of a camel with the topic of Perl is a trademark of O'Reilly
and Associates, Inc. Used with permission.
AUTHORS
Gary Ng <71564.1743@CompuServe.COM>
Gurusamy Sarathy <gsar@activestate.com>
Nick Ing-Simmons <nick@ing-simmons.net>
Jan Dubois <jand@activestate.com>
Steve Hay <steve.m.hay@googlemail.com>
This document is maintained by Jan Dubois.
SEE ALSO
perl
HISTORY
This port was originally contributed by Gary Ng around 5.003_24, and
borrowed from the Hip Communications port that was available at the
time. Various people have made numerous and sundry hacks since then.
GCC/mingw32 support was added in 5.005 (Nick Ing-Simmons).
Support for PERL_OBJECT was added in 5.005 (ActiveState Tool Corp).
Last updated: 06 October 2021
perl v5.36.3 2023-11-28 PERLWIN32(1)